The colonization of land by animals: molecular phylogeny and divergence times among arthropods
<p>Abstract</p> <p>Background</p> <p>The earliest fossil evidence of terrestrial animal activity is from the Ordovician, ~450 million years ago (Ma). However, there are earlier animal fossils, and most molecular clocks suggest a deep origin of animal phyla in the Precam...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2004-01-01
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Series: | BMC Biology |
Online Access: | http://www.biomedcentral.com/1741-7007/2/1 |